like a fiend
idiom
chiefly US, informal
—used to say that someone does a lot of something
She's been working like a fiend.
He smokes like a fiend.
Cite this Entry
“Like a fiend.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/like%20a%20fiend. Accessed 21 May. 2025.
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